A more expensive but more powerful version is Yawgmoth's Bargain, legal only in Vintage
For example, if a single-faced card is a copy of Crystal Fragments, it will be exiled during the resolution of its second ability and remain in exile
Some booster boxes will have a higher density of more expensive cards from their release date, ensuring you can break even or profit from them by reselling the complete booster box, individual booster packs, or single cards
Tinker Bell: Giant Fairy has become such a beloved card that many decks have been created centering around it, and many accessories such as playmats have been designed with its artwork.
So, aside from being powerful in its own right, Vivi Ornitier has a lot of support that you can use to create a very effective spellslinger deck